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Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
 Mathieu Dupuy
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a463449e35 |
csv: support non-ASCII Unicode dialect characters (#9367)
* scripts: make check_redundant_patches.py executable The redundant-test-patches pre-commit hook uses `language: script`, which requires the executable bit, and fails on every commit touching Lib/test. Assisted-by: Claude:claude-sonnet-5-5 * csv: support non-ASCII Unicode dialect characters Store delimiter, quotechar and escapechar as `char` instead of `u8`, and run the reader state machine and the writer over code points, so that a single non-ASCII character such as `€` is accepted like in CPython. The field size limit is now counted in characters rather than bytes. Fixes #8408 Assisted-by: Claude:claude-sonnet-5-5 |
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1ndahous3
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e64023020c |
Fix CSV field limit validation and concurrent updates (#9160)
Assisted-by: Codex:gpt-6 |
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youknowdotandJeong, YunWon
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06007c81fa |
Begin the Python 3.15 target and essential-library migration (#8950)
* Target Python 3.15 using the final upstream reference Update active version and comparison configuration to Python 3.15.0. Preserve the alpha implementation status, actual bytecode format, and existing libraries pending separate migration. Align generated library-upgrade workflow pins without changing permissions or actions. Assisted-by: OpenAI Codex:model identifier unavailable * Adapt essential snippet contracts to Python 3.15 final Preserve existing coverage while following verified final behavior for script metadata, builtin signatures and loading, AST fixture construction, memoryview diagnostics, mmap search bounds, and struct format errors. The unchanged final comparator exposes the earlier expectations; focused native baseline failures establish the required implementation changes. Assisted-by: OpenAI Codex:model identifier unavailable * Keep final-reference regression paths and remove expired sysconfig argument Preserve reverse multiplication syntax and native exact overflow diagnostics. Accept the two source-proven CPython 3.15 specialization messages only in affected reverse str/bytes/tuple cases. Use an actually out-of-range Windows datetime errno fixture. Remove the sysconfig check_home argument at its existing canonical 3.15 removal test boundary. Assisted-by: OpenAI Codex:model identifier unavailable * Keep README wording unchanged in Python 3.15 transition Assisted-by: OpenAI Codex:model identifier unavailable * Match Python 3.15 repetition specialization and keep universal tests Use exact sequence-type guards and preserve generic fallback diagnostics. Validate both cold and warmed expressions without implementation-specific assertions. Reject stale CPython source checkouts and cross-version library caches. Assisted-by: OpenAI Codex:model identifier unavailable * Limit in-place specialization additions to exact sequence repetition Assisted-by: OpenAI Codex:model identifier unavailable * Keep subclass regression scoped to repetition dispatch Assisted-by: OpenAI Codex:model identifier unavailable * Provision final CPython 3.15 with pinned uv builds Assisted-by: OpenAI Codex:model identifier unavailable * Enforce Python 3.15 AST constructor requirements Reject retired missing-field and arbitrary-keyword forms while preserving defaults and explicit placeholders. Sync only matching final CPython constructor test hunks. Assisted-by: OpenAI Codex:model identifier unavailable * Keep seeded Python ahead of its Windows DLL directory Assisted-by: OpenAI Codex:model identifier unavailable * Keep opcode metadata tied to the implemented bytecode format The interpreter target and reference tests use Python 3.15.0, but the current Rust opcode enum retains the 3.14 bytecode format. Generate metadata from its matching source rather than importing unsupported instruction families. Assisted-by: OpenAI Codex:model identifier unavailable * Align CSV, logarithm and decimal formatting with Python 3.15 Propagate dialect lookup errors except AttributeError, retry integer logarithms after float overflow, and update the decimal conversion diagnostic. Exercise the final reference contracts without implementation-specific branches. Assisted-by: OpenAI Codex:model identifier unavailable * Bind the logarithm index result before borrowing its integer Assisted-by: OpenAI Codex:model identifier unavailable * Align required canonical test expectations with Python 3.15 Take only demonstrated contract changes from CPython v3.15.0, d220409a13b77de7a6c30abe16ea90db01528edc: removed module __cached__, Struct format exception classes, and decimal-format diagnostic. Preserve unrelated tests and expectations. Assisted-by: OpenAI Codex:model identifier unavailable * Track pending frozendict pickle support during the 3.15 transition Keep the two existing frozendict pickle tests running as expected failures until #8951 supplies the builtin. Unexpected success will signal removal of these temporary markers. Assisted-by: OpenAI Codex:model identifier unavailable * Support final Python 3.15 Windows negative timestamps Use FILETIME for pre-epoch conversions and preserve precise Windows timestamp errors. Assisted-by: OpenAI Codex:model identifier unavailable * Derive historical Windows timezone offsets from wall time FILETIME reports historical DST as unknown, so calculate the actual offset rather than selecting standard-time bias. Assisted-by: OpenAI Codex:model identifier unavailable * Identify decimal formatting arguments in Python 3.15 errors Track consumed positional arguments, including star width and precision, and preserve mapping key representations in decimal conversion diagnostics. Assisted-by: OpenAI Codex:model identifier unavailable * Reuse mapping format keys for lookup and error context Assisted-by: OpenAI Codex:model identifier unavailable * Borrow mapping diagnostic keys as Python objects Assisted-by: OpenAI Codex:model identifier unavailable * Avoid empty components in the reference Python library path Assisted-by: OpenAI Codex:model identifier unavailable * Isolate RustPython bytecode caches during the 3.15 transition Assisted-by: OpenAI Codex:model identifier unavailable * Sync final Windows timestamp test expectations Import only the final CPython platform-limit guards and mktime roundtrip expectation required by the existing Windows CI suite. Assisted-by: OpenAI Codex:model identifier unavailable * Restore official Python setup for 3.15 final Use the existing pinned setup-python action now that its official catalog supplies CPython 3.15.0. Remove the temporary standalone provisioning action and its sparse-checkout entry while retaining interpreter outputs and requested versions. Assisted-by: OpenAI Codex:model identifier unavailable * Align merged runtime contracts with Python 3.15 final Restrict mappingproxy ordering, use final codec registry normalization, and prefer index conversion before float conversion for sleep. Retain universal Python assertions and import the matching final codec/time canonical test hunks plus the non-ASCII codec-name deprecation warning. Upstream source: CPython d220409a13b77de7a6c30abe16ea90db01528edc. The existing codec normalization implementation and bytecode contract remain unchanged. Assisted-by: OpenAI Codex:model identifier unavailable * Limit Windows launcher version check to its interpreter Exclude only the CPython py.exe version-identity case from RustPython CI. The installed launcher reports its own final version, while RustPython correctly remains alpha. Preserve the other 45 launcher cases and all RustPython version assertions without modifying Lib. Assisted-by: OpenAI Codex:model identifier unavailable --------- Co-authored-by: Jeong, YunWon <69878+youknowone@users.noreply.github.com> |
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youknowdot
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8986de27cc |
Preserve CSV dialect conversion errors and ordering (#9020)
Collect raw dialect fields and keyword overrides before converting them in CPython 3.14 order. Preserve truth-conversion exceptions, read classes without instantiating them, and retain defaulting for failed attribute lookup. Use one shared parser for reader, writer, registry, and native dialect construction. Extend the existing CSV snippet with class, instance, direct-construction, lookup, override, conversion-order, and argument-binding regressions. Assisted-by: OpenAI Codex:model identifier unavailable |
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Alessio Attilio
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65647e99ee |
fix(csv): quote non-numeric objects in writer QUOTE_NONNUMERIC mode (#8843)
* fix(csv): quote non-numeric objects in writer QUOTE_NONNUMERIC mode * style: format extra_tests/snippets/stdlib_csv.py Assisted-by: Antigravity:Gemini-3.8-Flash |
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hyoinandout
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e5c8701d44 |
csv: validate dialect options (#8402)
* csv: validate dialect options Resolve each dialect once and validate the merged options before constructing readers and writers. Handle Unicode character parsing consistently and enable the corresponding CPython CSV tests. Assisted-by: Tau:gpt-5.6-luna * cargo fmt * Validate csv dialect conflicts with line terminators - Reject dialect characters that overlap any lineterminator character - Validate Dialect construction consistently and allow non-ASCII terminators - Unskip csv invalid character coverage now that validation matches behavior * Remove stale CSV rejection snippet Removes a RustPython-only assertion that contradicts the CPython-compatible dialect validation added by this branch. Scope: test-only AI-Assisted-By: Codex * Revert "Remove stale CSV rejection snippet" This reverts commit |
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Jeong, YunWon
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d5d19e0611 |
Fix 33 reproduced fuzzing and static-review defects (#8514)
* mmap: guard move() against dest/src past the mapping size
An offset larger than the mapping made `size - dest` underflow, producing
an out-of-range slice index panic. Check the high side first, as write() does.
Assisted-by: Claude
* exceptions: keep ImportError name/path/name_from out of an empty instance dict
ImportError.__reduce__ unwrapped get_arg(0), which is None when the exception
was constructed with no positional argument, aborting on pickle.dumps(ImportError()).
Fall back to the full args tuple there, and expose name/path/name_from as class
attributes defaulting to None so a bare ImportError() reduces to (cls, ()).
Assisted-by: Claude
* asyncio: stop unwrapping the _current_tasks downcast in current_task()
_asyncio._current_tasks is a reassignable module attribute; the three sibling
functions already degrade gracefully when it is not a dict, current_task() did not.
Assisted-by: Claude
* asyncio: raise TypeError when FutureIter.throw()'s exception class returns a non-exception
exc_type.call() goes through a Python-controlled __new__, so its result can be
any object; the downcast was unwrapped. Report it as a TypeError instead.
Assisted-by: Claude
* sequence: use a fallible reservation for sequence repetition
The guard only rejects a repeat whose per-element size crosses MAX_MEMORY_SIZE,
so (1,) * (10**12) still reached Vec::with_capacity and aborted in the allocator.
Reserve fallibly and surface a MemoryError.
Assisted-by: Claude
* collections: reject an oversized deque repetition with MemoryError
deque * sys.maxsize reached the allocator and aborted with a capacity overflow.
Apply the MAX_MEMORY_SIZE guard the other sequences already carry.
Assisted-by: Claude
* itertools: raise OverflowError for an out-of-range r argument
combinations/combinations_with_replacement/permutations narrowed r with
to_usize().unwrap(), so r=2**64 panicked instead of raising.
Assisted-by: Claude
* math: stream the generic sumprod path instead of collecting both iterables
The big-int path collected each argument into a Vec before multiplying, so an
unbounded iterable exhausted memory. Advance both iterators in lockstep and
accumulate, reporting a length mismatch when only one is exhausted.
Assisted-by: Claude
* _imp: raise TypeError for a second positional argument to find_frozen
withdata is keyword-only and unimplemented; passing it positionally hit an
unimplemented!() and aborted.
Assisted-by: Claude
* _typing: check _idfunc arity before indexing args
_typing._idfunc() with no argument indexed args[0] out of bounds.
Assisted-by: Claude
* exceptions: require a sequence for the ExceptionGroup excs argument
The argument was collected before being validated, so an unbounded iterable
such as itertools.count() exhausted memory. Reject a non-sequence up front.
Assisted-by: Claude
* mmap: treat an inverted find/rfind range as empty
find(b"x", 5, 2) built a slice whose start exceeded its end and panicked.
Assisted-by: Claude
* collections: give deque and defaultdict a GC traverse
Neither type opted into traversal, so a reference cycle through a deque or a
defaultdict was never collected.
Assisted-by: Claude
* itertools: opt the iterator types into GC traverse
cycle and its siblings hold Python references but declared no traverse, so a
cycle built through one of them leaked.
Assisted-by: Claude
* _ctypes: mask an out-of-range int instead of panicking
c_char_p(2**64) and pointer item assignment called .expect() on the narrowing
conversion. Wrap the value to the target width, which is what the C
implementation stores.
Assisted-by: Claude
* hashlib: import _hashlib when a hash module is loaded
The hash object type is a static type owned by _hashlib; calling _md5.md5()
without _hashlib imported hit an uninitialized static type and panicked.
Assisted-by: Claude
* _csv: fall back to the built-in dialect defaults when none is registered
The dialect table is empty until csv.py registers 'excel', so _csv.reader([])
unwrapped a missing entry and panicked.
Assisted-by: Claude
* builtins: reject surrogates in compile()/eval() source instead of panicking
expect_str() panics on a str containing surrogates; convert with try_as_utf8
so eval(chr(0xd800)) raises.
Assisted-by: Claude
* _suggestions: require a list for _generate_suggestions candidates
The argument was collected before validation, so an unbounded iterable
exhausted memory.
Assisted-by: Claude
* lzma: size the filter chain before consuming it
filters= was collected into a Vec before the length check, so an unbounded
iterable exhausted memory. Take the length through the sequence protocol first.
Assisted-by: Claude
* classmethod: opt into GC traverse
staticmethod already declares traverse; classmethod did not, so a cycle through
the wrapped callable leaked.
Assisted-by: Claude
* posix: reject unbounded iterables in posix_spawn and setgroups
argv, setsigdef, setsigmask and setgroups bound an ArgIterable and collected it
before validating, so an infinite generator exhausted memory. Require a
list/tuple for argv, validate signals while streaming, and take setgroups
through the sequence protocol.
Assisted-by: Claude
* _ctypes: size Array slice assignment and _argtypes_ before collecting
Both eagerly collected their argument, so an unbounded iterable exhausted
memory before the length check ran.
Assisted-by: Claude
* sys: propagate the breakpointhook warning failure
warn() was unwrapped, so an unimportable $PYTHONBREAKPOINT under
-W error panicked instead of raising.
Assisted-by: Claude
* structseq: require the sequence argument when constructing a struct sequence
A no-argument construction produced an empty backing tuple, and reading any
named field then indexed out of bounds.
Assisted-by: Claude
* Guard the hash slot dispatch against unbounded recursion
`PyObject::hash` invoked the type's hash slot directly, so an element-wise
`__hash__` following a deeply nested object graph recursed one native frame
per level and overflowed the stack. Wrap the dispatch in `with_recursion`,
matching the repr and rich-compare dispatches in the same file, so
`hash(x)` on a nested tuple/GenericAlias/slice raises `RecursionError`.
Assisted-by: Claude
* genericalias: guard the __parameters__ walk against unbounded recursion
`make_parameters_from_slice` recursed into every list/tuple argument with
nothing counting the frames, so `list[L]` for a self-referential or deeply
nested `L` overflowed the native stack at subscript time. Wrap the descent
in `with_recursion`, which makes the walk fallible; `PyGenericAlias::new`,
`from_args` and `make_parameters` now return `PyResult` and every caller
propagates.
Assisted-by: Claude
* Fix the type confusion in PyAtomicRef's Debug impl
`PyAtomicRef<T>` stores a pointer to a `Py<T>`, as `Deref`, `load_raw`,
`swap` and `Drop` all read it, but `Debug` cast it to a bare `T` and
formatted the object header as payload bytes. For `PyFunction`, whose
`code: PyAtomicRef<PyCode>` has a pointer-chasing `Debug`, that
dereferenced header words and segfaulted.
Cast to `PyObject` instead, which is what `Drop` already does and which
also covers the `PyAtomicRef<PyObject>` and `PyAtomicRef<Option<T>>`
instantiations that have no `Py<T>`.
`_asyncio._enter_task` reached this through `{:?}` in its "Cannot enter
into task" message; format the two tasks with their Python repr, which is
what the message is meant to show.
Assisted-by: Claude
* _sre: disallow instantiating Match
`Match` inherited `object.__new__`, so `M.__new__(M)` produced an instance
whose `regs`/`string`/`pattern` were never filled in by a match run; the
mapping subscript path read them and dereferenced garbage. The type has no
public constructor, so mark it `DISALLOW_INSTANTIATION`, which makes
`M.__new__(M)` raise `TypeError: cannot create 're.Match' instances`.
Assisted-by: Claude
* utils: return the empty repr instead of asserting a non-empty collection
`collection_repr` took the first element with an `.expect()` justified by the
caller's preceding non-empty check. Another thread clearing the collection
between that check and the iteration made the iterator yield nothing and
panicked the worker. Fall back to the caller-supplied empty form, which is
the text those callers already produce for an empty collection.
Assisted-by: Claude
* itertools: advance cycle's index atomically
`cycle.__next__` did `fetch_add(1)` and then reset the index to 0 in a
separate store, so two threads replaying the saved items could both read an
index past the end of `saved` and panic on the slice access. Do the advance
and the wrap in one `fetch_update`.
Assisted-by: Claude
* _ctypes: reject a float argument to a foreign call without argtypes
`conv_param`, the conversion used when `argtypes` is not set, converted its
argument with `try_int`, which goes through `__int__` and so accepts a
float. `libc.strlen(1.5)` therefore passed 1 where the callee expects a
`char *` and the callee dereferenced it. Match `ConvParam`, which does a
`PyLong_Check` and converts nothing: take the branch only for an `int` (or
a subclass, so `True` still converts), and let a float fall through to
"Don't know how to convert parameter".
The branch below it converted a float to a C double, but `try_int` claimed
every float before it could run, so it was dead; `CArgValue::Double`
existed only for that branch and both go. Typed doubles are unaffected —
they travel as `CArgValue::Typed` with code 'd'.
Assisted-by: Claude
* Report the iterator itself from PyIter's traverse
`Traverse for PyIter<O>` delegated to the inherent `PyObject::traverse` of
the object it wraps, so it reported that iterator's referents instead of
the iterator. The iterator's own reference to those referents was then
never subtracted during the collector's reference-subtraction pass, the
referents kept a non-zero gc_refs, and every object reachable from them
was classified as a root.
Any cycle running through a type with a `PyIter` field therefore survived
collection: `map`, `filter`, `zip`, `enumerate`, `reversed` and the
`itertools` iterators all leaked, while the same cycle through a `list`,
`tuple` or `list_iterator` collected. Report the wrapped object, as the
`PyObjectRef`, `PyRef<T>` and `PyStackRef` impls do.
`itertools.tee` still leaks: its shared buffer is a `PyRc<PyItertoolsTeeData>`
rather than a Python object, so the collector cannot see through it.
Assisted-by: Claude
* Remove the obsolete expectedFailure on test_code_module.test_unicode_error
Compiling a source string containing a lone surrogate now raises
UnicodeEncodeError, so the test passes.
Assisted-by: Claude
* itertools: reserve the combination indices fallibly
`combinations` and `combinations_with_replacement` built their index vector
with an infallible allocation, so an `r` that passes the ssize_t check but
does not fit in memory aborted the process instead of raising MemoryError.
Assisted-by: Claude
* Apply the struct sequence constructor's dict argument
`structseq(sequence, dict)` discarded its second argument, so the hidden
fields past `n_sequence_fields` — `tm_zone`, `st_atime` and friends — were
always None when constructed directly or restored from a `(sequence, dict)`
pickle, and a non-dict second argument was accepted silently.
Take the dict, require it to be a dict, and fill the hidden slots the
sequence did not cover from it. A key that names a field the sequence
already supplied, or no field at all, is now a
"got duplicate or unexpected field name(s)" TypeError instead of being
dropped. Both arguments are bindable by name, as `sequence` and `dict`.
`os.stat_result` and `os.statvfs_result` did not accept a second argument
at all; they and `time.struct_time` now share the parsing.
Assisted-by: Claude
* _imp: report the argument count in find_frozen's arity error
Assisted-by: Claude
* Add regression tests for the reproduced crashers
One case per catalog entry, each asserting the behavior the fix produces:
recursion guards, the memory-unsafety sites, the overflow and unbounded
allocation guards, the eager-collection rejections, the unwrap sites, and
the cycles the collector now breaks. Every expected value was checked
against CPython 3.14.
Assisted-by: Claude
* Tolerate a changed-size RuntimeError in the set repr stress test
The mutator and reader threads race on purpose; a "changed size during
iteration" RuntimeError is a valid outcome of that race and should not fail
the test. The panic it guards against is not.
Assisted-by: Claude
* Move the crash regression tests into per-module snippets
crash_regressions.py collected every reproduced crasher in one file. Split it
into the snippet for the module each case exercises, and add stdlib_gc.py,
stdlib_asyncio.py, stdlib_lzma.py, stdlib_threading_set_repr.py and
stdlib_threading_itertools_cycle.py for the cases with no existing home.
The suite runs every snippet under the host CPython too, so the checks only
RustPython raises are guarded by sys.implementation.name: the hash and
__parameters__ recursion depth, and the deque repeat overflow. The float
ctypes argument accepts either TypeError or ctypes.ArgumentError.
Assisted-by: Claude
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이광효
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beff2b02ac |
csv: port CPython reader state machine (#8381)
* csv: port CPython reader state machine Replace the csv-core reader and per-item quote scanner with one Rust implementation of CPython's nine-state reader parser. Keep parser state across iterator items and distinguish virtual item boundaries from true iterator exhaustion. Centralize field completion so quote provenance, empty-field None conversion, float conversion, strict parsing, field limits, blank rows, and escaped or quoted newlines share one path. Apply the existing reentrant-iterator generation check to every iterator item consumed by a record. Also accept empty ASCII line terminators like CPython, report a missing csv-core writer sentinel as _csv.Error instead of panicking, and name the FSM entry point process_parser_input. Remove the expected-failure markers from the eleven reader tests that now pass. Assisted-by: Codex:gpt-5.6-sol * csv: test CRLF boundaries with custom lineterminator |
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조진명
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071d54d442 |
csv: support multi-character lineterminator in writer (#8328)
* csv: support multi-character lineterminator in writer Store the dialect line terminator as an owned String instead of the single-byte csv_core::Terminator, dropping PyDialect's Copy derive. The manual writer paths emit the full terminator; the csv-core-backed QUOTE_ALL/QUOTE_NONNUMERIC paths emit a sentinel byte (preserving csv-core's quote/empty-record bookkeeping) and append the real terminator. field_needs_quotes/escape now quote a field containing any terminator byte. The reader ignores lineterminator and always uses CRLF, matching CPython and avoiding mid-UTF-8 record splits. * csv: unmark now-passing test_write_lineterminator * csv: address review feedback - Remove the redundant per-branch sentinel terminator setup in to_writer; the unconditional terminator call after the match is the single source. - Reword the empty-lineterminator errors to "must not be empty" (the constraint is non-empty, not single-character) on both entry points. - Promote the sentinel invariant check in writerow from debug_assert_eq! to assert_eq! so it also guards release builds. - Add a snippet case for a field containing a line-break byte to ensure the csv-core path drops only the trailing terminator. * csv: reject non-ASCII lineterminator The writer decides what to quote and escape by comparing raw bytes, so a non-ASCII terminator quoted a field that merely shared a UTF-8 lead byte, and QUOTE_NONE escaped individual bytes of the terminator and then failed to decode the record back to a string. Reject non-ASCII terminators, including lone surrogates, as csv.Error when the dialect is parsed, and leave code-point-wise handling to a follow-up (#8310). The non-string error message now matches CPython as well. |
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이광효
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f4ef94c464 |
csv: handle empty fields with skipinitialspace (#8304)
* csv: handle empty fields with skipinitialspace skipinitialspace preprocessed records by trimming both ends of every split field. Fields containing only spaces could therefore produce an invalid slice, while trailing spaces were removed even though CPython preserves them. Trim only field prefixes in the csv-core path and make the remaining all-space trimming helper return an empty slice safely. QUOTE_NOTNULL and QUOTE_STRINGS add another distinction: an unquoted empty field becomes None, but a quoted empty field remains an empty string. Both forms have identical decoded bytes, so extend the existing QUOTE_NONE custom reader into one shared path that records whether each field started quoted. Use that metadata only for the null conversion while retaining QUOTE_NONE escape behavior. Unmark Test_Csv.test_read_skipinitialspace now that its standard, QUOTE_NOTNULL, and QUOTE_STRINGS cases pass. This keeps the existing one-item reader lifecycle and does not add the larger strict or multiline parser state machine. Assisted-by: Codex:gpt-5-sol * csv: make skipinitialspace quote-aware The csv-core preprocessing path split each raw iterator item on every delimiter before trimming field prefixes. Delimiters inside quoted fields were therefore treated as separators, so spaces after them could be removed before csv-core parsed the record. Extract the quote, escape, delimiter, and field-start transitions from read_quote_record() into a small per-item scanner. Reuse its events in the skipinitialspace preprocessor and discard only InitialSpace events while copying all other source bytes unchanged. This keeps the custom quote-mode reader and preprocessing logic aligned without introducing persistent multiline or strict parser state. Remove the delimiter cache that was only needed by the old split-and-join path and add a regression for spaces following a delimiter inside a quoted field. Assisted-by: Codex:gpt-5-sol |
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조진명
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270587e670 |
csv: quote embedded CR/LF under QUOTE_MINIMAL (#8315)
* csv: quote embedded CR/LF under QUOTE_MINIMAL with custom lineterminator QUOTE_MINIMAL rows were serialized by csv-core, which only quotes bytes registered for the configured terminator, so fields containing '\r' or '\n' were left unquoted when the lineterminator was not CR/LF (e.g. '!' or '\0'). Route QUOTE_MINIMAL through a hand-written path that uses field_needs_quotes, which always treats '\r'/'\n' as needing quotes. A single empty field is quoted and an empty row emits only the terminator, matching CPython. QUOTE_ALL / QUOTE_NONNUMERIC still use csv-core. Assisted-by: Claude Code:claude-opus-4-8 * csv: unmark now-passing writer tests test_write_iterable and test_write_empty_fields pass with the QUOTE_MINIMAL writer fix (empty rows no longer emit an empty field). Assisted-by: Claude Code:claude-opus-4-8 |
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이광효
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9297e158f3 |
csv: fix csv escape fieldsep (#8260)
* csv: apply dialect escapechar when reading ReaderBuilder only received escapechar when it was passed directly as a keyword argument. A dialect object's or registered dialect's escapechar was visible through reader.dialect but not used by csv_core. Pass escapechar through for named, object, and default dialect paths. This makes escaped delimiters inside quoted fields follow the configured dialect, for example '"abc\,def"' reads as 'abc,def'. Unmark TestQuotedEscapedExcel.test_read_escape_fieldsep. Assisted-by: Codex * csv: handle escaped delimiters with QUOTE_NONE csv_core applies escapechar while reading quoted fields, but its unquoted field state treats an escaped delimiter as a delimiter. Consequently, QUOTE_NONE with escapechar split 'abc\,def' into 'abc\' and 'def'. Add a small QUOTE_NONE record parser for dialects with escapechar. It keeps the byte following an escape character as field data, so escaped delimiters do not end a field while ordinary delimiters and record terminators retain their usual meaning. Unmark TestEscapedExcel.test_read_escape_fieldsep. Assisted-by: Codex * csv: respect skipinitialspace with QUOTE_NONE The QUOTE_NONE parser returned before the normal reader's whitespace preprocessing, so it ignored skipinitialspace when escapechar was set. Track whether parsing has just followed a delimiter and skip only ordinary spaces in that position. Escaped spaces remain field data. Add a stdlib_csv snippet regression test for QUOTE_NONE with escapechar and skipinitialspace. Assisted-by: Codex:gpt-5.6-terra * csv: deduplicate reader dialect configuration to_reader configured ReaderBuilder separately for named, object, and default dialects even though the configuration was identical. Resolve the PyDialect once, then apply delimiter, double_quote, escapechar, and quotechar in one place. Preserve the existing unregistered-name fallback and required excel dialect lookup behavior. Assisted-by: Codex:gpt-5.6-terra |
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Kwak Byoung Min
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8bdc1cc5fd |
Fix csv.writer QUOTE_NONE with quotechar=None (#8201)
* Prevent csv QUOTE_NONE writer panics without quotechar Handle csv.writer rows with QUOTE_NONE through a RustPython-owned unquoted writer path so quotechar=None no longer reaches the unfinished csv_core configuration branch. Escape delimiter, newline, quotechar, and escapechar bytes according to the active dialect, and preserve CPython's single-empty-field error behavior. Constraint: Match CPython csv.writer behavior without changing Lib/ copied stdlib files. Rejected: Relying on csv_core QuoteStyle::Never | it does not model CPython QUOTE_NONE escaping with quotechar=None. Confidence: high Scope-risk: narrow Directive: Keep QUOTE_NONE writer behavior separate unless csv_core gains matching CPython semantics. Tested: prek run --all-files; cargo test --workspace --exclude rustpython_wasm --exclude rustpython-venvlauncher; cargo build --release --features sqlite; pytest -v in extra_tests Assisted-by: Codex:gpt-5.5 * Keep csv parity tests aligned with QUOTE_NONE support Remove the stale RustPython expected-failure marker for the CPython escaped-field writer test that now passes, and cover CR/LF escaping in the snippet regression requested during review. Constraint: RustPython test policy allows removing expectedFailure markers only when the upstream test passes. Rejected: Refactoring writer row boilerplate in this follow-up | review marked it as a heavy-lift nitpick and it would broaden the CI fix. Confidence: high Scope-risk: narrow Tested: cargo run --release --features sqlite -- -m test test_csv; cargo run -- extra_tests/snippets/stdlib_csv.py; PATH=/tmp/pyshim:$PATH prek run --all-files; git diff --check; cargo test --workspace --exclude rustpython_wasm --exclude rustpython-venvlauncher; pytest -v in extra_tests Assisted-by: Codex:gpt-5.5 * Keep csv quote-style dispatch coherent Review feedback pointed out that adjacent branches selected behavior from the same quoting discriminator. Use one match so future quote-style additions are routed in a single place. Constraint: RustPython review requested merging adjacent quote-style checks. Confidence: high Scope-risk: narrow Tested: cargo fmt --check Tested: target/release/rustpython extra_tests/snippets/stdlib_csv.py Tested: target/release/rustpython -m test test_csv Tested: PATH=/tmp/pyshim:$PATH prek run --all-files Tested: RUST_TEST_THREADS=1 cargo test --workspace --exclude rustpython_wasm --exclude rustpython-venvlauncher -- --test-threads=1 Tested: cargo clippy --workspace --exclude rustpython_wasm --exclude rustpython-venvlauncher --all-targets Assisted-by: Codex:gpt-5.5 |
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Kwak Byoung MinandShahar Naveh
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6d25033da6 |
Support csv writer QUOTE_STRINGS and QUOTE_NOTNULL (#8109)
* Support csv quoting modes added in Python 3.12 Implement writer handling for QUOTE_STRINGS and QUOTE_NOTNULL so the exported constants no longer panic and follow CPython behavior for string, non-null, None, and quotechar validation cases. Constraint: RustPython contribution policy requires CPython-compatible behavior through Rust-side changes and regression coverage outside Lib/. Rejected: Marking CPython Lib tests or hiding the constants | would preserve a runtime panic for supported public constants. Confidence: high Scope-risk: narrow Directive: Keep QUOTE_STRINGS and QUOTE_NOTNULL writer behavior aligned with CPython's csv module when extending dialect validation. Tested: cargo check -p rustpython-stdlib; cargo run --release -- extra_tests/snippets/stdlib_csv.py; cargo run --release -- -m test test_csv; cargo clippy; pre-commit run --all-files via temporary venv/PATH shim; cargo test --workspace --exclude rustpython_wasm --exclude rustpython-venvlauncher -- --test-threads=1 Not-tested: Remote CI and PR creation were not run because remote git operations require explicit approval. Assisted-by: Codex:gpt-5.5 * Update crates/stdlib/src/csv.rs Co-authored-by: Shahar Naveh <50263213+ShaharNaveh@users.noreply.github.com> * Update crates/stdlib/src/csv.rs Co-authored-by: Shahar Naveh <50263213+ShaharNaveh@users.noreply.github.com> * Keep csv writer follow-up lint clean Apply maintainer-requested expression cleanups and rustfmt wrapping so the PR lint job can pass without changing behavior. Constraint: GitHub Actions Lint failed on rustfmt output after the review suggestion. Rejected: Changing csv writer semantics | the failing check was formatting-only and all behavior tests already passed. Confidence: high Scope-risk: narrow Directive: Keep future review suggestions rustfmt-clean before pushing. Tested: cargo fmt --check; cargo check -p rustpython-stdlib; cargo run --release -- extra_tests/snippets/stdlib_csv.py; cargo run --release -- -m test test_csv; cargo clippy; pre-commit run --all-files; cargo test --workspace --exclude rustpython_wasm --exclude rustpython-venvlauncher -- --test-threads=1 Not-tested: Remote CI has not rerun yet; this commit will trigger it after push. Assisted-by: Codex:gpt-5.5 --------- Co-authored-by: Shahar Naveh <50263213+ShaharNaveh@users.noreply.github.com> |
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Shahar Naveh
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9ccf4c1872 | Ruff auto-format (#6422) | ||
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Rex Ledesma
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4e2e0b41c6 |
chore: add ruff format --check (#5774)
* chore: add `ruff format --check` * fix tests |
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Jeong YunWon
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e62a164f4d | Move tests -> extra_tests |